Cross interference processing device of non-dispersive infrared light band compensation air chamber mode
A technology of cross-interference and processing device, applied in the field of infrared processing, can solve the problems of low precision, poor consistency and high cost of the gas-sensing sensor method, and achieve the effects of solving the cross-interference of infrared light, convenient use and simple structure
Pending Publication Date: 2021-06-29
WUHAN GANWEI TECH CO LTD
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Each method has different problems: the detection accuracy of the gas sensor method is low, and cross-interference occurs to the mixed gas; one of the existing ways to eliminate cross-interference requires customizing a filter with a specific wavelength. The half-width is very narrow, and the processing technology of this filter is extremely high, and the cost is very high. There is another way to remove cross-interference through software algorithms. The consistency of this method is poor.
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[0017] In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.
[0018] It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" etc. indicate an orientation or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should n...
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The invention provides a cross interference processing device of a non-dispersive infrared light band compensation gas chamber mode. The cross interference processing device comprises an infrared light source emitter, a closed gas chamber, a gas absorption pool and a detector assembly, the gas chamber is connected between the infrared light source emitter and the gas absorption pool, the gas absorption pool is provided with a gas inlet and a gas outlet, the detector assembly is arranged on the gas absorption pool, and interference gas is contained in the gas chamber; the infrared light source emitter is used for emitting infrared light into the gas chamber and irradiating the infrared light into the gas absorption pool, and the detector assembly is used for receiving the infrared light irradiated by the gas absorption pool.
Description
【Technical field】 [0001] The invention relates to the technical field of infrared processing, in particular to a cross-interference processing device in the form of a non-dispersive infrared light with a compensation air chamber. 【Background technique】 [0002] In the process of oil exploration, it is often necessary to monitor harmful gases and flammable and explosive gases at the drilling site to prevent danger and accidents. The current common gas detection methods mainly include: gas sensor method, infrared absorption spectroscopy, chromatography, photoacoustic spectroscopy, etc. Each method has different problems: the detection accuracy of the gas sensor method is low, and cross-interference occurs to the mixed gas; one of the existing ways to eliminate cross-interference requires customizing a filter with a specific wavelength. The half-width is very narrow, and the processing technology of this kind of filter is extremely high, and the cost is very high. Another way ...
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IPC IPC(8): G01N21/3504
CPCG01N21/3504G01N2021/3545
Inventor 张俊龙吴雪威蔡名锋何刚涂红涛
Owner WUHAN GANWEI TECH CO LTD